1. Patients must have a histologically confirmed diagnosis of squamous cell carcinoma, operable or inoperable tumors, stage III (T3N0-1) and IVA-B (T1-4 N2-3M0 or T4N0-1M0) of oral cavity, oropharynx, hypopharynx and larynx. For patients with oropharynx primary, either HPV negative or HPV positive with a > 10 pack year tobacco history or current smokers are eligible. HPV status should be determined before the enrollment in only non-smokers with oropharynx primary by HPV in-situ hybridization and/or p16 immunostain.